38428347512 has 8 divisors (see below), whose sum is σ = 72053151600. Its totient is φ = 19214173752.

The previous prime is 38428347473. The next prime is 38428347539. The reversal of 38428347512 is 21574382483.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2401771712 + ... + 2401771727.

It is an arithmetic number, because the mean of its divisors is an integer number (9006643950).

Almost surely, 2^38428347512 is an apocalyptic number.

It is an amenable number.

38428347512 is a deficient number, since it is larger than the sum of its proper divisors (33624804088).

38428347512 is a wasteful number, since it uses less digits than its factorization.

38428347512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803543445 (or 4803543441 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 47.

The spelling of 38428347512 in words is "thirty-eight billion, four hundred twenty-eight million, three hundred forty-seven thousand, five hundred twelve".